Home / 7,768.28-11,654.04-2,574.02

Finding the Fourth Proportional to 7,768.28, 11,654.04 and 2,574.02

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Solution

The fourth proportional to 7,768.28, 11,654.04 and 2,574.02 is: 3,861.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.28 : 11,654.04 = 2,574.02 : x
  2. Step 2: Convert to fraction form
    7,768.28/11,654.04 = 2,574.02/x
  3. Step 3: Cross multiply
    7,768.28x = 11,654.04 × 2,574.02
  4. Step 4: Simplify right side
    7,768.28x = 29,997,732.04
  5. Step 5: Solve for x
    x = 29,997,732.04/7,768.28
  6. Step 6: Final answer
    x = 3,861.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.